.tn-ac-page {
  --ac-paper: #faf6ee; --ac-wash: #f5efdf; --ac-ink: #1a1208; --ac-muted: #5a4a30;
  --ac-line: #b8a888; --ac-soft: #ddd4be; --ac-accent: #c44a00; --ac-selection: #e8d5b8;
  --ac-button: #ede6d4; --ac-hover: #dfd4bb; --ac-button-text: #1a1208;
  --ac-primary: #1a1208; --ac-primary-hover: #73300d; --ac-primary-text: #faf6ee;
  --ac-sans: -apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", system-ui, sans-serif;
  min-width: 0; color: var(--ac-ink); -webkit-text-fill-color: var(--ac-ink); color-scheme: light;
}
body:is([data-scheme="dark"], [data-scheme="inverse"], [data-scheme="auto"][data-d="dark"], [data-scheme="auto"][data-l="dark"]) .tn-ac-page,
html[data-scheme="dark"] body:not([data-scheme="light"]) .tn-ac-page {
  --ac-paper: #241d12; --ac-wash: #322a1a; --ac-ink: #f7ead1; --ac-muted: #c3b492;
  --ac-line: #826744; --ac-soft: #574a37; --ac-accent: #e8823f; --ac-selection: #50351e;
  --ac-button: #2f2115; --ac-hover: #3a2a1b; --ac-button-text: #f7ead1;
  --ac-primary: #6a3b1f; --ac-primary-hover: #824826; --ac-primary-text: #f7ead1; color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  body[data-scheme="auto"] .tn-ac-page {
    --ac-paper: #241d12; --ac-wash: #322a1a; --ac-ink: #f7ead1; --ac-muted: #c3b492;
    --ac-line: #826744; --ac-soft: #574a37; --ac-accent: #e8823f; --ac-selection: #50351e;
    --ac-button: #2f2115; --ac-hover: #3a2a1b; --ac-button-text: #f7ead1;
    --ac-primary: #6a3b1f; --ac-primary-hover: #824826; --ac-primary-text: #f7ead1; color-scheme: dark;
  }
}
.tn-ac-page [hidden] { display: none !important; }
.tn-ac-page .tn-ac-tool { min-width: 0; width: 100%; margin: 0; color: var(--ac-ink); -webkit-text-fill-color: var(--ac-ink); font: 14px/1.6 var(--ac-sans); }
.tn-ac-tool, .tn-ac-tool *, .tn-ac-tool *::before, .tn-ac-tool *::after { box-sizing: border-box; }
.tn-ac-tool :is(p, label) { margin: 0; }
.tn-ac-tool :is(ul, ol, li) { margin: 0; padding: 0; list-style: none; }
.tn-ac-tool :is(code, pre, kbd, samp) { padding: 0; border: 0; border-radius: 0; background: transparent; color: inherit; -webkit-text-fill-color: inherit; }
.tn-ac-tool .tn-ac-drop { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 18px; padding: 22px; border: 1px dashed var(--ac-line); background: var(--ac-wash); }
.tn-ac-tool .tn-ac-drop.is-dragging { border-color: var(--ac-accent); outline: 2px solid var(--ac-accent); outline-offset: -2px; }
.tn-ac-tool .tn-ac-file-intro { min-width: 0; flex: 1 1 250px; display: grid; gap: 5px; }
.tn-ac-tool .tn-ac-kicker { font: 900 11px/1.4 "Courier New", monospace; letter-spacing: .08em; }
.tn-ac-tool #tnAcName { font-size: 20px; font-weight: 800; overflow-wrap: anywhere; }
.tn-ac-tool :is(.tn-ac-muted, .tn-ac-file-hint, .tn-ac-time-hint, .tn-ac-note) { color: var(--ac-muted); -webkit-text-fill-color: var(--ac-muted); font-size: 12px; }
.tn-ac-tool .tn-ac-file-hint { padding: 10px 0 18px; }
.tn-ac-tool :is(.tn-ac-file-actions, .tn-ac-transport, .tn-ac-export-actions) { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; min-width: 0; }
.tn-ac-tool .tn-ac-editor { min-width: 0; padding: 18px; border: 1px solid var(--ac-line); background: var(--ac-paper); }
.tn-ac-tool .tn-ac-wave-top { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 6px 12px; margin-bottom: 10px; font-size: 13px; font-weight: 700; }
.tn-ac-tool .tn-ac-wave { min-width: 0; border: 1px solid var(--ac-soft); background: var(--ac-wash); }
.tn-ac-tool #tnAcCanvas { display: block; width: 100%; height: 176px; max-width: 100%; touch-action: pan-y; cursor: crosshair; }
.tn-ac-tool .tn-ac-range-row { display: grid; grid-template-columns: auto minmax(0,1fr) auto minmax(0,1fr); gap: 12px; align-items: center; padding: 12px 0 18px; font-size: 12px; }
.tn-ac-tool input[type="range"] { width: 100%; min-width: 0; height: 24px; margin: 0; padding: 0; accent-color: var(--ac-accent); cursor: ew-resize; }
.tn-ac-tool .tn-ac-time-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) auto; gap: 14px; align-items: end; }
.tn-ac-tool .tn-ac-field { display: grid; gap: 5px; align-content: start; min-width: 0; border: 0; background: none; }
.tn-ac-tool .tn-ac-field label { display: block; padding: 0; font-size: 12px; font-weight: 600; line-height: 18px; color: var(--ac-ink); -webkit-text-fill-color: var(--ac-ink); }
.tn-ac-tool .tn-ac-field :is(input, select) { display: block; width: 100%; min-width: 0; height: 38px; margin: 0; padding: 0 10px; border: 1px solid var(--ac-line); border-radius: 0; background-color: var(--ac-wash); color: var(--ac-ink); -webkit-text-fill-color: var(--ac-ink); font: 600 16px/normal var(--ac-sans); font-variant-numeric: lining-nums tabular-nums; letter-spacing: normal; box-shadow: none; }
.tn-ac-tool .tn-ac-field select { appearance: auto; -webkit-appearance: menulist; cursor: pointer; padding-right: 5px; }
.tn-ac-tool .tn-ac-field option { color: var(--ac-ink); background: var(--ac-paper); }
.tn-ac-tool .tn-ac-field input::placeholder { color: var(--ac-ink); -webkit-text-fill-color: var(--ac-ink); font-weight: 400; opacity: .35; }
.tn-ac-tool .tn-ac-field [aria-invalid="true"] { border-color: var(--ac-accent); }
.tn-ac-tool .tn-ac-selection { display: grid; align-content: start; gap: 5px; min-width: 0; font-size: 12px; }
.tn-ac-tool #tnAcDuration { display: flex; align-items: center; height: 38px; font-size: 22px; line-height: 1.2; white-space: nowrap; }
.tn-ac-tool .tn-ac-number { font-family: var(--ac-sans); font-weight: 800; font-variant-numeric: lining-nums tabular-nums; letter-spacing: normal; }
.tn-ac-tool .tn-ac-time-hint { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 9px 0 18px; }
.tn-ac-tool .tn-ac-options { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; padding: 18px 0; border-top: 1px solid var(--ac-soft); }
.tn-ac-tool .tn-ac-export-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 16px 0; border-top: 1px solid var(--ac-soft); }
.tn-ac-tool .tn-ac-export-row > p { font-size: 13px; }
.tn-ac-page .tn-ac-tool :is(button, .tn-ac-download) { display: inline-flex; justify-content: center; align-items: center; min-width: 0; max-width: 100%; height: 38px; min-height: 38px; margin: 0; padding: 0 14px; border: 1px solid var(--ac-line); border-radius: 0; background: var(--ac-button); color: var(--ac-button-text); -webkit-text-fill-color: var(--ac-button-text); font: 900 13px/1 "Courier New", Courier, monospace; letter-spacing: normal; text-align: center; text-decoration: none; text-transform: none; white-space: nowrap; box-shadow: none; outline: none; cursor: pointer; }
.tn-ac-page .tn-ac-tool :is(button, .tn-ac-download):hover:not(:disabled) { background: var(--ac-hover); }
.tn-ac-page .tn-ac-tool :is(.tn-ac-primary, .tn-ac-download) { background: var(--ac-primary); color: var(--ac-primary-text); -webkit-text-fill-color: var(--ac-primary-text); border-color: var(--ac-accent); }
.tn-ac-page .tn-ac-tool :is(.tn-ac-primary, .tn-ac-download):hover:not(:disabled) { background: var(--ac-primary-hover); }
.tn-ac-page .tn-ac-tool :is(button, input, select):disabled { opacity: .55; cursor: not-allowed; }
.tn-ac-page .tn-ac-tool :is(button, input, select, a, audio, .tn-ac-drop):focus-visible { outline: 2px solid var(--ac-accent); outline-offset: 2px; }
.tn-ac-tool .tn-ac-feedback { display: grid; gap: 8px; font-size: 12px; }
.tn-ac-tool .tn-ac-feedback p:empty { display: none; }
.tn-ac-tool #tnAcError { padding: 10px 12px; border: 1px solid var(--ac-accent); color: var(--ac-ink); -webkit-text-fill-color: var(--ac-ink); background: var(--ac-wash); white-space: pre-line; }
.tn-ac-tool #tnAcProgress { width: 100%; height: 8px; margin: 0; border: 0; border-radius: 0; background: var(--ac-wash); accent-color: var(--ac-accent); }
.tn-ac-tool #tnAcProgress::-webkit-progress-bar { background: var(--ac-wash); }
.tn-ac-tool #tnAcProgress::-webkit-progress-value { background: var(--ac-accent); }
.tn-ac-tool #tnAcProgress::-moz-progress-bar { background: var(--ac-accent); }
.tn-ac-tool .tn-ac-result { display: grid; grid-template-columns: minmax(0,1fr) minmax(200px,1fr) auto; align-items: center; gap: 14px; margin-top: 18px; padding: 16px; border: 1px solid var(--ac-line); background: var(--ac-wash); }
.tn-ac-tool .tn-ac-result > * { min-width: 0; max-width: 100%; }
.tn-ac-tool .tn-ac-result p { font-size: 12px; overflow-wrap: anywhere; }
.tn-ac-tool .tn-ac-result audio { width: 100%; height: 44px; min-width: 0; color-scheme: inherit; }
.tn-ac-tool .tn-ac-note { margin-top: 12px; line-height: 1.7; overflow-wrap: anywhere; }
.tn-ac-page .tn-ac-ad { width: 100%; max-width: 900px; min-height: 90px; height: auto; max-height: none; margin: 24px auto; border: 0; background: transparent; overflow: visible; }
.tn-ac-page .tn-ac-ad--top { margin-top: 0; }
@media (max-width: 900px) {
  .tn-ac-tool .tn-ac-time-row { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .tn-ac-tool .tn-ac-transport { grid-column: 1/-1; }
  .tn-ac-tool .tn-ac-result { grid-template-columns: minmax(0,1fr) auto; }
  .tn-ac-tool .tn-ac-result audio { grid-row: 2; grid-column: 1/-1; }
}
@media (max-width: 600px) {
  .tn-ac-page .tn-ac-tool { width: min(100%, calc(100vw - 10px)); margin-right: auto; margin-left: auto; }
  .tn-ac-page .tn-ac-ad { width: min(100%, calc(100vw - 10px)); }
  .tn-ac-tool .tn-ac-drop { padding: 16px 12px; gap: 14px; }
  .tn-ac-tool .tn-ac-file-intro { flex-basis: 100%; }
  .tn-ac-tool #tnAcName { font-size: 18px; }
  .tn-ac-tool .tn-ac-file-actions { gap: 6px; }
  .tn-ac-page .tn-ac-tool .tn-ac-file-actions button { padding: 0 9px; }
  .tn-ac-tool .tn-ac-file-hint { padding-bottom: 12px; }
  .tn-ac-tool .tn-ac-editor { padding: 12px; }
  .tn-ac-tool #tnAcCanvas { height: 146px; }
  .tn-ac-tool .tn-ac-range-row { grid-template-columns: auto minmax(0,1fr); gap: 6px 10px; padding-bottom: 12px; }
  .tn-ac-tool .tn-ac-time-row { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
  .tn-ac-tool .tn-ac-selection { grid-column: 1/-1; display: flex; align-items: baseline; gap: 12px; }
  .tn-ac-tool #tnAcDuration { height: auto; font-size: 24px; }
  .tn-ac-tool .tn-ac-transport { gap: 6px; }
  .tn-ac-page .tn-ac-tool .tn-ac-transport button { padding: 0 10px; }
  .tn-ac-tool .tn-ac-options { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; padding: 14px 0; }
  .tn-ac-tool .tn-ac-export-row { padding: 14px 0; }
  .tn-ac-tool .tn-ac-export-actions { width: 100%; }
  .tn-ac-tool #tnAcExport { flex: 1; }
  .tn-ac-tool .tn-ac-result { padding: 12px; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .tn-ac-tool, .tn-ac-tool *, .tn-ac-tool *::before, .tn-ac-tool *::after { animation: none; transition: none; scroll-behavior: auto; }
}